body {
    font-family: Arial, sans-serif;
  }
  
  h1 {
    color: #333;
  }
  
  ul {
    list-style-type: none;
    padding: 0;
  }
  
  li {
    margin: 5px 0;
    padding: 10px;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
  }
  
  form {
    display: inline;
  }
  
  input[type="submit"], button {
    padding: 5px 10px;
    margin: 5px;
    cursor: pointer;
  }
  